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An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried ... more
Alternating current can be described mathematically as a function of time, angular frequency and peak current
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The electric field describes the electric force experienced by a motionless positively charged test particle at any point in space relative to the ... more
The electric field describes the electric force experienced by a motionless positively charged test particle at any point in space relative to the ... more
A uniform electric field is produced by placing a potential difference (or voltage) across two parallel metal plates. A uniform field is one in which the ... more
Electric field intensity is the strength of an electric field at any point. It is equal to the electric force per unit charge experienced by a test charge ... more
The electric motor’s efficiency is the mechanical output power divided by the electrical input power
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The electric potential due to a point charge is the work needed to move a test charge “q” from a large distance away to a distance of ... more
Electrical work is the work done on a charged particle by an electric field. The equation for 'electrical’ work is equivalent to that of ... more
Electrical work is the work done on a charged particle by an electric field. The equation for 'electrical’ work is equivalent to that of ... more
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